Log Message:
Update contao211 to 2.11.10.

Version 2.11.10 (2013-03-21)
----------------------------

### Fixed
Cast varchar date fields to int when selecting from the database (see #5503).

### Fixed
Only unset POST variables if `Widget::submitInput()` returns `true` (see #5474).

### Fixed
Strictly compare values when determining whether to save or not (see #5471).

### Updated
Updated TinyMCE to version 3.5.8 (see #5329).

### Fixed
Correctly show the "invalid date and time" error message (see #5480).

### Fixed
Correctly split the words when adding to the search index (see #5363).

### Fixed
Correctly load TinyMCE in IE7 and IE8 (see #5346).

### Fixed
Send the correct cache headers in "client cache only" mode (see #5358).

### Fixed
Remove the session of deleted or disabled users (see #5353).

### Fixed
Correctly set the cookie paths (see #5339).